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Thread: Please help !! 2010 1.4 tsi Ibiza Cupra Stutter !

  1. #1
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    Please help !! 2010 1.4 tsi Ibiza Cupra Stutter !

    Hi guys new to the forum,

    Had a little 1.4 tsi Ibiza Cupra 2010 DSG model,

    Gradually developed a stutter/hesitation under light or part throttle/acceleration.

    On full throttle it pulls well,

    As these engines are renowned for misfires i replaced all 4 plugs and coils

    This has not solved it,

    Its like its kangarooing down the road sometimes,

    Any advise on what to try log ?

    I have VCDS, just unsure the best way to diagnose this,

    I've read it could be N75 valve orN249 valve but dont know how to check,

    I have uploaded a clip to Youtube of the fault happening,



  2. #2
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    The first auto scan i did came up with this,

    Code:
    Tuesday,23,May,2017,16:59:46:39766
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 17.1.3.0 (x64)  HEX-V2 CB: 0.4336.4
    Data version: 20170320 DS267.7
    www.Ross-Tech.com
    
    
    VIN: VSSZZZ6JZAR152041   License Plate: HY60 WGW
    Mileage: 106630km-66256mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 6J (6N0)
    Scan: 01 02 03 04 08 09 15 17 19 25 44 4B 56
    
    VIN: VSSZZZ6JZAR152041   Mileage: 106630km-66256miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    15-Airbags -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    4B-Multifunc. Module -- Status: OK 0000
    56-Radio -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CAVE)       Labels: 03C-907-309-V1.clb
       Part No SW: 03C 906 027 AE    HW: 03C 906 027 AD
       Component: 1.4l R4/4V TS H10 9971  
       Revision: L2H10---    Serial number:               
       Coding: 00250012002400000000
       Shop #: WSC 01223 210 88101
       ASAM Dataset: EV_ECM14TSI01103C906027AE 001007
       ROD: EV_ECM14TSI01103C906027AE.rod
       VCID: 6492A5CDBED20A47A91-8030
    
    4 Faults Found:
    4543 - Supply Voltage for Fuel Injector Group A 
              P2146 00 [096] - Open Circuit
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 106144 km
                        Date: 2017.05.07
                        Time: 08:06:39
    
                        Engine speed: 1452.00 /min
                        Normed load value: 52.2 %
                        Vehicle speed: 14 km/h
                        Coolant temperature: 18 C
                        Intake air temperature: 11 C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 14.465 V
                        Unlearning counter according OBD: 7
                        Mass flow through throttle valve: 320.7 kg/h
                        Median injection timing: 6.903 ms
                        Engine operating condition: full load
                        Engine operating condition-Test_Program_Channel 87: 7
    
    4063 - Cylinder 4 
              P0304 00 [096] - Misfire Detected
              Intermittent - Not Confirmed - Tested Since Memory Clear
    
    4057 - Cylinder 2 
              P0302 00 [096] - Misfire Detected
              Intermittent - Not Confirmed - Tested Since Memory Clear
    
    4051 - Random/Multiple Cylinder Misfire Detected 
              P0300 00 [096] - -
              Intermittent - Not Confirmed - Tested Since Memory Clear
    
    Readiness: 0000 0000
    Last edited by Uwe; 06-19-2017 at 04:21 PM. Reason: CODE tags

  3. #3
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    I then cleared those codes and drove car around for a few days ,

    It was still stuttering and driving like a kangaroo and the fault was happening all the time

    I performed another auto scan and only one code was there this time,

    The date and time matched when it threw on the epc light for 1 sec and lost power but it sorted itself right away,

    The latest scan says this

    Code:
    Friday,16,June,2017,18:07:34:39766
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 17.1.3.0 (x64)  HEX-V2 CB: 0.4336.4
    Data version: 20170320 DS267.7
    www.Ross-Tech.com
    
    
    VIN: VSSZZZ6JZAR152041   License Plate: SMURF
    Mileage: 107540km-66822mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 6J (6N0)
    Scan: 01 02 03 04 08 09 15 17 19 25 44 4B 56
    
    VIN: VSSZZZ6JZAR152041   Mileage: 107540km-66822miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    4B-Multifunc. Module -- Status: OK 0000
    56-Radio -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CAVE)       Labels: 03C-907-309-V1.clb
       Part No SW: 03C 906 027 AE    HW: 03C 906 027 AD
       Component: 1.4l R4/4V TS H10 9971  
       Revision: L2H10---    Serial number:               
       Coding: 00250012002400000000
       Shop #: WSC 01223 210 88101
       ASAM Dataset: EV_ECM14TSI01103C906027AE 001007
       ROD: EV_ECM14TSI01103C906027AE.rod
       VCID: 6492A5CDBED20A47A91-8030
    
    1 Fault Found:
    4544 - Supply Voltage for Fuel Injector Group B 
              P2149 00 [096] - Open Circuit
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 107474 km
                        Date: 2017.06.15
                        Time: 07:54:41
    
                        Engine speed: 2241.50 /min
                        Normed load value: 74.9 %
                        Vehicle speed: 15 km/h
                        Coolant temperature: 63 C
                        Intake air temperature: 18 C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 13.994 V
                        Unlearning counter according OBD: 33
                        Mass flow through throttle valve: 174.2 kg/h
                        Median injection timing: 5.314 ms
                        Engine operating condition: Part. load
                        Engine operating condition-Test_Program_Channel 87: 6
    
    Readiness: 0000 0000
    Last edited by Uwe; 06-19-2017 at 04:21 PM. Reason: CODE tags

  4. #4
    Verified VCDS User Ashraf6119's Avatar
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    Could you please post the full Auto Scan..........Also any recent work done or any service done...? Have you checked the Cylinder Compression Test

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    Quote Originally Posted by Ashraf6119 View Post
    Could you please post the full Auto Scan..........Also any recent work done or any service done...? Have you checked the Cylinder Compression Test
    Surely it wouldn't be intermittent if it was losing compression,

    It also wouldn't pull anything like it does,

    I have attached the part of the scan that shows the fault ?

    What else are you hoping to see on the rest of the scan as it showed no other codes ?

    No work done or recent service,

    As i says above only things changed since fault occurred has been 4 new plugs and coil packs

    Started off happening once every so often now i have to basically drive around it by either acceleration pretty harshly or barely touching accelerator as anything in between its like riding a kangaroo.

    Any idea how to check for a faulty N75 valve or N249 ???

  6. #6
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    What have you done to track down the "Supply Voltage for Fuel Injector Group B - Open Circuit" fault?

    -Uwe-
    Ceterum censeo, delenda est Daesh.

  7. #7
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    Quote Originally Posted by Uwe View Post
    What have you done to track down the "Supply Voltage for Fuel Injector Group B - Open Circuit" fault?

    -Uwe-
    Nothing at all,

    I wasn't sure where to begin as it previously had the same code for Group A but cleared and never returned,

    Same with that one,

    What would you recommend,

    The car performs fine under full throttle its only light acceleration or cruising lightly

  8. #8
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    Anyone know how to check the N75 & N249 valves ?

    Or is it a case of replace and hope

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